{"id":509,"date":"2021-01-27T21:36:17","date_gmt":"2021-01-27T21:36:17","guid":{"rendered":"http:\/\/heartfailurematters.local:8888\/tomodensitometrie-multi-coupes-tdm\/"},"modified":"2021-01-27T21:36:17","modified_gmt":"2021-01-27T21:36:17","slug":"tomodensitometrie-multi-coupes-tdm","status":"publish","type":"page","link":"https:\/\/www.heartfailurematters.org\/fr\/comprendre-linsuffisance-cardiaque\/tomodensitometrie-multi-coupes-tdm\/","title":{"rendered":"Tomodensitom\u00e9trie multi-coupes (TDM)"},"content":{"rendered":"<p>L\u2019imagerie cardiaque par <a class=\"addtooltip\" title=\"Examen utilisant un appareil de balayage \u00e0 rayons X ultra-rapide et un liquide visible aux rayons X pour fournir des images tr\u00e8s pr\u00e9cises et d\u00e9taill\u00e9es du c\u0153ur et des art\u00e8res coronaires.\"><strong>tomodensitom\u00e9trie multi-coupes (TDM ou coroscanner)<\/strong><\/a> est une technique d\u00e9velopp\u00e9e r\u00e9cemment, qui permet d\u2019\u00e9valuer le fonctionnement du c\u0153ur et des <a class=\"addtooltip\" title=\"Vaisseaux sanguins qui fournissent le sang au c\u0153ur.\"><strong> art\u00e8res coronaires <\/strong><\/a> de fa\u00e7on non invasive. La TDM cardiaque utilise des rayons X et un liquide visible aux rayons X pour produire une image en 3 dimensions du c\u0153ur et des vaisseaux. Le scanner utilis\u00e9 est tr\u00e8s sophistiqu\u00e9 et balaye le c\u0153ur tr\u00e8s rapidement. Cela permet d\u2019obtenir des images tr\u00e8s pr\u00e9cises et d\u00e9taill\u00e9es que les autres examens ne parviennent pas \u00e0 r\u00e9aliser. Comme lors d\u2019une coronarographie, on vous injectera un liquide visible aux rayons X permettant de d\u00e9tecter les r\u00e9tr\u00e9cissements des art\u00e8res coronaires.<\/p>\n<p>Contrairement \u00e0 la coronographie, o\u00f9 le liquide est inject\u00e9 \u00e0 l\u2019aide d\u2019un <a class=\"addtooltip\" title=\"Tube souple et fin utilis\u00e9 dans de nombreuses interventions.\"><strong>cath\u00e9ter<\/strong><\/a> invasif dans vos <a class=\"addtooltip\" title=\"Vaisseaux sanguins qui fournissent le sang au c\u0153ur.\"><strong>art\u00e8res coronaires<\/strong><\/a> directement, le liquide utilis\u00e9 lors de cet examen est inject\u00e9 dans une veine superficielle \u00e0 l\u2019aide d\u2019une petite aiguille plac\u00e9e sur le dos de l\u2019une de vos mains ou dans le pli du coude. Votre organisme transporte ensuite le colorant dans la circulation sanguine et l\u2019examen commence une fois que celui-ci atteint vos art\u00e8res coronaires.<\/p>\n<p>Un tomodensitom\u00e8tre balaye le d\u00e9placement du colorant dans le c\u0153ur et ses vaisseaux sanguins \u00e0 l\u2019aide de rayons X pour cr\u00e9er des images tr\u00e8s pr\u00e9cises et d\u00e9taill\u00e9es. L\u2019examen ne dure que quelques secondes, durant lesquelles on vous demande g\u00e9n\u00e9ralement de retenir votre respiration. Vous ne serez expos\u00e9 qu\u2019\u00e0 une tr\u00e8s faible quantit\u00e9 de radiation.<\/p>\n<p><a title=\"\" href=\"https:\/\/www.heartfailurematters.org\/fr\/comprendre-linsuffisance-cardiaque\/examens-frequemment-utilises-pour-deceler-une-insuffisance-cardiaque\/\">Retourner \u00e0 la rubrique \u00ab&nbsp;Examens fr\u00e9quemment utilis\u00e9s pour d\u00e9celer une insuffisance cardiaque&nbsp;\u00bb<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019imagerie cardiaque par tomodensitom\u00e9trie multi-coupes (TDM ou coroscanner) est une technique d\u00e9velopp\u00e9e r\u00e9cemment, qui permet d\u2019\u00e9valuer le fonctionnement du c\u0153ur et des art\u00e8res coronaires de fa\u00e7on non invasive. La TDM cardiaque utilise des rayons X et un liquide visible aux rayons X pour produire une image en 3 dimensions du c\u0153ur et des vaisseaux. Le [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10706,"parent":307,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-509","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tomodensitom\u00e9trie multi-coupes (TDM)<\/title>\n<meta name=\"description\" content=\"L&#039;imagerie cardiaque par tomodensitom\u00e9trie multicoupe (MSCT) est une technique qui a r\u00e9cemment \u00e9t\u00e9 mise au point pour \u00e9valuer la fonction du c\u0153ur et des art\u00e8res coronaires de mani\u00e8re non invasive.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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